31388987

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{7129}}^1$

素因数の和:7190

約数の個数: 16

約数和(自身を含む): 39015360

約数和(自身を除く): 7626373

約数列:

[1, 7, 17, 37, 119, 259, 629, 4403, 7129, 49903, 121193, 263773, 848351, 1846411, 4484141, 31388987]

約数ペア:

[(1, 31388987), (7, 4484141), (17, 1846411), (37, 848351), (119, 263773), (259, 121193), (629, 49903), (4403, 7129)]